@article{CM_1970__22_3_265_0,
     author = {McGuigan, Jr., Robert A.},
     title = {Two near-isometry invariants of {Banach} spaces},
     journal = {Compositio Mathematica},
     pages = {265--268},
     publisher = {Wolters-Noordhoff Publishing},
     volume = {22},
     number = {3},
     year = {1970},
     mrnumber = {273371},
     zbl = {0199.18401},
     language = {en},
     url = {http://www.numdam.org/item/CM_1970__22_3_265_0/}
}